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Wafer (silicon Wafer)

We are proud of offering silicon wafer with high quality and attractive price under quality control in depth so that you are assured high value added products from us. Our main product series include: IC level and solar grade silicon ingot and wafers.


IC level ingots and wafers:
can provide you semiconductor wafer measured from four to six inches. The specifications are as follows:


Category General Specification of Semiconductor Wafer
4 inch 5 inch 6 inch
Resistivity(Ω/cm) P-Type doped: Boron, 0.001-0.01, 0.01-0.5, >0.5 P++, P+, P-
N-Type doped: As, Phos, Sb, 0.001-1, 1-150
Diameter tolerance(mm) ±0.2 ±0.2 ±0.2
Orientation (100), (111) (100), (110), (111) (100), (110), (111)
Orientation tolerance ±0.15° ±0.15° ±0.15°
Edge Profile T/R T/R T/R
Edge Condition 11/22 Ground 11/22 Ground 11/22 Ground/Polished
Thickness(μm) 300-650 400-650 550-750
Thickness tolerance(μm) ±15 ±15 ±15
Backside Treatment Etch Poly SiO2 Etch Poly SiO2 Etch Poly SiO2
Bow(μm) ±25 ±25(Before CVD) ±25 ±25(Before CVD) ±25 ±25(Before CVD)
Warp(μm) ≦25 ≦25(Before CVD) ≦25 ≦25(Before CVD) ≦25 ≦25(Before CVD)
Options Laser marking, Poly-back, SiO2 seal, Back side damage


can offer many different kind of ingots and wafers as customer’s requirements. MONO and MULTI ingots or 125mm and 156mm wafers are available to supply.
Below is some specifications of our 156mm Mono and Multi silicon wafers for your reference.

Specification of 156 mm Mono silicon wafer Specifications of 156 mm Multi wafer
Category 156*156mm(Mono wafer) 156*156mm (multi wafer)
Growing method CZ CZ
Type P P
Dopant Boron Boron
Crystal Orientation <100>+/-3 deg
Carbon content (atom/cm3) < 5*1016 < 5*1017
Oxygen content (atom/cm3) < 1.1*1018 < 1*1018
Etch Pit Defects ( /cm3) <= 3000
Resistivity (ohm-cm) 0.5~3/3~6 0.5~3
Minorirty Carrier Lifetime (μs) >10 >=2
Dimension (mm) 156+/-0.5 156+/-0.5
Thickness (μm) 200+/-20 200+/-20
TTV (μm) <=30 <=30
Bow/Warp (μm) <100 <50 / <100
Surface Saw Damage Depth (um) <=15 <=20
Edge (Chip) Depth≦0.5mm,
Vertical≦1.0mm,
Defect≦2
Depth≦0.5mm,
Length≦3.0mm,
Defect≦2
Appearance As cut, as clean, no cracks As cut, as clean, no cracks